PureSpeakers (Popularity: )

Discussions of loudspeaker plans and designs. Sealed, isobaric, ported, mtm, speaker, esotar, tweeter, woofer, midrange, ...
Category: Science\Technology\Acoustics, Ultrasound and Vibration\Resources

Mesoamerica Web Ring by James Q. Jacobs (Popularity: )

Photo galleries of Teotihuacan, Chichen Itza, Uxmal, Palenque, Izapa, stone sculptures and artifacts. Includes a ...
Category: Science\Social Sciences\Archaeology\Periods and Cultures

Baja Turtles (Popularity: )

Volunteer group in Baja Mexico - information about conservation of Leatherback and Olive Ridley turtles.
Category: Science\Biology\Flora and Fauna\Animalia